多孔介质中纳米流体在细长拉伸片上的辐射MHD强迫对流的对偶解

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY Accounts of Chemical Research Pub Date : 2015-12-30 DOI:10.3329/JNAME.V12I2.23638
C. Sulochana, N. Sandeep
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引用次数: 32

摘要

在本研究中,我们分析了热辐射和滑移效应下纳米流体在多孔介质中细长拉伸片上的磁流体动力学强迫对流流动。我们给出了无滑移和纳维耶滑移条件下的双解。利用自相似变换,将控制偏微分方程转化为非线性常微分方程,并利用bvp5c Matlab软件包进行数值求解。利用图形讨论了无量纲控制参数对流动速度和温度分布的影响。对表面摩擦系数和局部努塞尔数进行了数值计算,并进行了讨论。在一些特殊条件下,我们发现本文的结果与已有的结果非常吻合。结果表明,在一定的速度滑移参数范围内存在对偶解。研究还发现,存在速度滑移效应时,传热性能较高。
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Dual solutions for radiative MHD forced convective flow of a nanofluid over a slendering stretching sheet in porous medium
In this study we analyzed the magnetohydrodynamic forced convective flow of a nanofluid over a slendering stretching sheet in porous medium in presence of thermal radiation and slip effects. We presented dual solutions for no-slip and Navier slip conditions. Using self similarity transformation, the governing partial differential equations are transformed into nonlinear ordinary differential equations and solved numerically using bvp5c Matlab package. The effects of dimensionless governing parameters on velocity and temperature profiles of the flow are discussed with the help of graphs. Numerical computations are carried out and discussed for skin friction coefficient and local Nusselt number. We found an excellent agreement of the present results with the existed results under some special conditions. Results indicate that the dual solutions exist only for certain range of velocity slip parameter. It is also found that the heat transfer performance is high in presence of velocity slip effect.
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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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